1020420230 has 16 divisors (see below), whose sum is σ = 1837121040. Its totient is φ = 408087072.

The previous prime is 1020420217. The next prime is 1020420239. The reversal of 1020420230 is 320240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020420239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88541 + ... + 99399.

It is an arithmetic number, because the mean of its divisors is an integer number (114820065).

Almost surely, 2^1020420230 is an apocalyptic number.

1020420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020420230 is a deficient number, since it is larger than the sum of its proper divisors (816700810).

1020420230 is a wasteful number, since it uses less digits than its factorization.

1020420230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1020420230 is about 31944.0171237119. The cubic root of 1020420230 is about 1006.7609301425.

Adding to 1020420230 its reverse (320240201), we get a palindrome (1340660431).

The spelling of 1020420230 in words is "one billion, twenty million, four hundred twenty thousand, two hundred thirty".